Question: What is the farthest the Max Planck Institute for Solar System Research telescope can see?
Paraphrase: How far can the Max Planck telescope see?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q1238291 . ?ent wdt:P2151 ?obj . ?ent wdt:P137 wd:Q470648 } ORDER BY DESC(?obj)LIMIT 5 
Answer: GREGOR, Vacuum Tower Telescope